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How to create a generic array in Java?
...ld be the erasure of the type parameter:
public class GenSet<E extends Foo> { // E has an upper bound of Foo
private Foo[] a; // E erases to Foo, so use Foo[]
public GenSet(int s) {
a = new Foo[s];
}
...
}
All of this results from a known, and deliberate, weaknes...
What is the default value for enum variable?
...e expression (E)0.
As an example, take the following enum:
enum E
{
Foo, Bar, Baz, Quux
}
Without overriding the default values, printing default(E) returns Foo since it's the first-occurring element.
However, it is not always the case that 0 of an enum is represented by the first member. ...
PHP global in functions
...ld not have to rely on anything outside, e.g.
function fn()
{
global $foo; // never ever use that
$a = SOME_CONSTANT // do not use that
$b = Foo::SOME_CONSTANT; // do not use that unless self::
$c = $GLOBALS['foo']; // incl. any other superglobal ($_GET, …...
What is the Swift equivalent of -[NSObject description]?
...scription.
For example:
class MyClass: CustomStringConvertible {
let foo = 42
var description: String {
return "<\(type(of: self)): foo = \(foo)>"
}
}
print(MyClass()) // prints: <MyClass: foo = 42>
Note: type(of: self) gets the type of the current instances ins...
Maven2: Best practice for Enterprise Project (EAR file)
...ted the following well-documented example application:
[pgarner@localhost Foo]$ tree
.
|-- Foo-ear
| `-- pom.xml
|-- Foo-ejb
| |-- pom.xml
| `-- src
| |-- main
| | |-- java
| | | `-- com
| | | `-- foo
| | | |-- controller
| | | ...
What is C# analog of C++ std::pair?
...pairTest()
{
string s = "abc";
Pair<int, string> foo = new Pair<int, string>(10, s);
Pair<int, string> bar = new Pair<int, string>(10, s);
Pair<int, string> qux = new Pair<int, string>(20, s);
Pair<int, int> aaa = ...
Is there a typical state machine implementation pattern?
...ven approach for most state machines:
typedef enum { STATE_INITIAL, STATE_FOO, STATE_BAR, NUM_STATES } state_t;
typedef struct instance_data instance_data_t;
typedef state_t state_func_t( instance_data_t *data );
state_t do_state_initial( instance_data_t *data );
state_t do_state_foo( instance_dat...
Unable to set data attribute using jQuery Data() API
...').click();
Older demo
Original answer
For this HTML:
<div id="foo" data-helptext="bar"></div>
<a href="#" id="changeData">change data value</a>
and this JavaScript (with jQuery 1.6.2)
console.log($('#foo').data('helptext'));
$('#changeData').click(function() {
...
How to name factory like methods?
...
I like new. To me
var foo = newFoo();
reads better than
var foo = createFoo();
Translated to english we have foo is a new foo or foo is create foo. While I'm not a grammer expert I'm pretty sure the latter is grammatically incorrect.
...
How to use a wildcard in the classpath to add multiple jars? [duplicate]
...rectory with the extension .jar or .JAR. For example, the class path entry foo/* specifies all JAR files in the directory named foo. A classpath entry consisting simply of * expands to a list of all the jar files in the current directory.
This should work in Java6, not sure about Java5
(If it se...